1 /*
2 * Empire - A multi-player, client/server Internet based war game.
3 * Copyright (C) 1986-2021, Dave Pare, Jeff Bailey, Thomas Ruschak,
4 * Ken Stevens, Steve McClure, Markus Armbruster
5 *
6 * Empire is free software: you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation, either version 3 of the License, or
9 * (at your option) any later version.
10 *
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
15 *
16 * You should have received a copy of the GNU General Public License
17 * along with this program. If not, see <http://www.gnu.org/licenses/>.
18 *
19 * ---
20 *
21 * See files README, COPYING and CREDITS in the root of the source
22 * tree for related information and legal notices. It is expected
23 * that future projects/authors will amend these files as needed.
24 *
25 * ---
26 *
27 * rej.c: Various relations setting routines
28 *
29 * Known contributors to this file:
30 * Dave Pare, 1994
31 * Markus Armbruster, 2005-2016
32 */
33
34 #include <config.h>
35
36 #include "nat.h"
37 #include "news.h"
38 #include "optlist.h"
39 #include "player.h"
40 #include "prototypes.h"
41 #include "update.h"
42
43 void
setrel(natid us,natid them,enum relations rel)44 setrel(natid us, natid them, enum relations rel)
45 {
46 struct relatstr *relp = getrelatp(us);
47 struct natstr *mynp = getnatp(us);
48 enum relations oldrel;
49 char *whichway;
50 int n_up = 0;
51 int n_down = 0;
52 char *addendum = NULL;
53
54 if (CANT_HAPPEN(rel < AT_WAR))
55 rel = AT_WAR;
56 if (CANT_HAPPEN(rel > ALLIED))
57 rel = ALLIED;
58 if (CANT_HAPPEN(!relp || !mynp))
59 return;
60 if (us == them)
61 return;
62 oldrel = relations_with(us, them);
63 if (oldrel == rel)
64 return;
65 if (rel > oldrel)
66 whichway = "upgraded";
67 else
68 whichway = "downgraded";
69 if (rel == ALLIED) {
70 addendum = "Congratulations!";
71 n_up = N_DECL_ALLY;
72 } else if (rel == FRIENDLY) {
73 n_up = N_UP_FRIENDLY;
74 n_down = N_DOWN_FRIENDLY;
75 } else if (rel == NEUTRAL) {
76 n_up = N_UP_NEUTRAL;
77 n_down = N_DOWN_NEUTRAL;
78 } else if (rel == HOSTILE) {
79 addendum = "Another cold war...";
80 n_up = N_UP_HOSTILE;
81 n_down = N_DOWN_HOSTILE;
82 } else if (rel < HOSTILE) {
83 addendum = "Declaration made (give 'em hell).";
84 n_down = N_DECL_WAR;
85 }
86
87 if (addendum && us == player->cnum && !update_running)
88 pr("%s\n", addendum);
89 mpr(us, "Diplomatic relations with %s %s to \"%s\".\n",
90 cname(them), whichway, relations_string(rel));
91 if (nat_accepts(them, us, REJ_TELE))
92 mpr(them,
93 "Country %s has %s their relations with you to \"%s\"!\n",
94 prnat(mynp), whichway, relations_string(rel));
95
96 relp->rel_relate[them] = rel;
97 putrelat(relp);
98
99 if (!player->god) {
100 if (oldrel == ALLIED)
101 nreport(us, N_DIS_ALLY, them, 1);
102 else if (oldrel < HOSTILE && rel >= HOSTILE)
103 nreport(us, N_DIS_WAR, them, 1);
104 if (rel > oldrel)
105 nreport(us, n_up, them, 1);
106 else
107 nreport(us, n_down, them, 1);
108 }
109 if (opt_HIDDEN)
110 setcont(them, us, FOUND_TELE);
111 }
112
113 void
setcont(natid us,natid them,int contact)114 setcont(natid us, natid them, int contact)
115 {
116 struct contactstr *conp = getcontactp(us);
117
118 if (CANT_HAPPEN(!conp))
119 return;
120
121 if (CANT_HAPPEN(contact < 0))
122 contact = 0;
123 if (CANT_HAPPEN(contact > 255))
124 contact = 255;
125
126 if (!opt_LOSE_CONTACT)
127 contact = !!contact;
128 if (conp->con_contact[them] < contact) {
129 conp->con_contact[them] = contact;
130 putcontact(conp);
131 }
132 }
133
134 void
setrej(natid us,natid them,int reject,enum rej_comm what)135 setrej(natid us, natid them, int reject, enum rej_comm what)
136 {
137 struct rejectstr *rejp = getrejectp(us);
138
139 if (CANT_HAPPEN(!rejp))
140 return;
141 if (reject)
142 rejp->rej_rejects[them] |= bit(what);
143 else
144 rejp->rej_rejects[them] &= ~bit(what);
145 putreject(rejp);
146 }
147